EP3933127B1 - Electroless shower-wc attachment with self-cleaning device and a self-cleaning method for an electroless shower-wc attachment - Google Patents

Electroless shower-wc attachment with self-cleaning device and a self-cleaning method for an electroless shower-wc attachment Download PDF

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Publication number
EP3933127B1
EP3933127B1 EP21151663.8A EP21151663A EP3933127B1 EP 3933127 B1 EP3933127 B1 EP 3933127B1 EP 21151663 A EP21151663 A EP 21151663A EP 3933127 B1 EP3933127 B1 EP 3933127B1
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EP
European Patent Office
Prior art keywords
water
water outlet
telescopic
outlet pipe
cleaning
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EP21151663.8A
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German (de)
French (fr)
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EP3933127A1 (en
Inventor
Xingyi Yu
Ruixue PAN
Dong PENG
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Oceanwell Xiamen Industrial Co Ltd
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Oceanwell Xiamen Industrial Co Ltd
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/08—Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices ; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting

Definitions

  • the invention relates to a non-electric shower/toilet attachment with a self-cleaning device and a self-cleaning method.
  • a non-electric shower toilet seat is equipped with a telescopic water outlet pipe.
  • the telescopic water outlet pipe When the telescopic water outlet pipe is not in use, it is hidden in the attachment. When in use, the telescopic water outlet tube can protrude from the attachment and flush the buttocks or vulva with water, see for example the FR 2 918 687 A1 .
  • some non-electric shower toilet attachments have so far been provided with a self-cleaning device for the telescopic water outlet pipe, in which a shower arm and a shower body are matched with one another with a gap. When the shower body is hit with water so that the water pressure moves the shower arm, part of the water flows out from the gap between the shower arm and the shower body to flush the shower arm.
  • the present invention provides a non-electric shower toilet seat with a self-cleaning device and method that overcomes the technical problems of the prior art.
  • the self-cleaning device for a non-electric shower toilet seat of the present invention which is used for self-cleaning a telescopic water outlet pipe of the non-electric shower toilet seat, has a body and a cleaning water path, and a water flow passage is provided in the body. A water exit end of the water flow passage is arranged at a bottom of the body. The cleaning water path is connected to a water inlet end of the water flow passage.
  • the telescopic water outlet pipe is reciprocally movable between a home position and a water outlet position and is provided with a water outlet opening at its front end. The water outlet end of the water flow passage is located just above the front end of the telescopic water outlet tube when the telescopic water outlet tube is in the home position.
  • the self-cleaning device further includes a pressure block disposed at a rear end of the telescopic water outlet tube, the pressure block being pressed against the one-way valve to close the water inlet end of the water flow passage when the telescopic water outlet tube reaches the water outlet position.
  • the self-cleaning method for a non-electric shower toilet seat is characterized in that a telescopic water outlet pipe is flushed by a cleaning water flow supplied through a cleaning water path during the movement of the telescopic water outlet pipe from an initial position to a water outlet position, being in the water outlet position of the telescopic water outlet pipe, the water is supplied to the telescopic water outlet pipe through the flushing water path, and when the water outlet of the cleaning water flow, a one-way valve is opened, and a pressure block is pressed against the one-way valve to block the flow of cleaning water, when the telescopic water outlet pipe reaches the water outlet position.
  • the invention has several advantages.
  • the cleaning water flow provided by the cleaning water path can open the one-way valve and flow to the water outlet end to clean the telescopic water outlet pipe.
  • the telescopic water outlet pipe can be used from top to bottom self-cleaning without spraying the user. Since the pressure block is pressed against the one-way valve when the telescopic water outlet tube moves to the water outlet position, the one-way valve closes the cleaning water path when the telescopic water outlet tube reaches the water outlet position, so that the water outlet end of the water flow passage no longer discharges water.
  • a self-cleaning device for a non-electric shower toilet seat which is used for self-cleaning a telescopic water outlet pipe A of the non-electric shower toilet seat, has a body 10 and a cleaning water path 20, wherein a water flow passage 12 is provided in the body 10, a water outlet end 121 of the water flow passage 12 is arranged at a bottom of the body, and the cleaning water path 20 is connected to a water inlet end 122 of the water flow passage.
  • the telescopic water outlet pipe A is reciprocally movable between a home position and a water outlet position and is provided at its front end with a water outlet port A1, the telescopic water outlet pipe A being supplied from the flushing water path B with water is supplied.
  • the self-cleaning device further includes a pressure block 40 which is arranged at a rear end of the telescopic water outlet pipe A and is pressed against the one-way valve 30 to close the water inlet end 122 of the water flow passage 12 when the telescopic water outlet pipe A reaches the water outlet position.
  • the telescopic water outlet tube A is extended from the home position to the water outlet position and is flushed by a flow of cleaning water supplied through a cleaning water path 20 during movement of the telescopic water outlet tube from the home position to the water outlet position. That is, the cleaning water flow flows along the cleaning water path 20 to the water flow passage 12 to open the one-way valve 30 and finally flows out from the water discharge end 121 to flush the telescopic water discharge pipe A. Consequently, the telescopic water outlet pipe A is always cleaned by the flushing water path when extending.
  • the flushing water path B supplies the water to the telescopic water outlet pipe A, with a water outlet port A1 of the telescopic Water outlet pipe A discharges water to realize the function of buttock washing or vulva washing.
  • the pressure block 40 is accurately pressed against the one-way valve 30, thereby shutting off the flow of cleaning water 20.
  • the water discharge end 121 stops discharging water, that is, when the telescopic water discharge pipe A reaches the water discharge position, the cleaning water flow 20 is stopped.
  • the cleaning water path 20 is connected to the flushing water path B, wherein the flushing water path B can be compressed during the return movement of the telescopic water outlet pipe A from the water outlet position to the initial position, so that the water in the flushing water path B is guided through the cleaning water path 20 and then finally discharged through the water discharge end 121 of the water flow passage.
  • the pressure block 40 unlocks the one-way valve 30 and the water outlet end 121 discharges water again. This performs a second cleaning of the telescopic water outlet pipe A and solves the second technical problem mentioned in the "Prior Art" section.
  • the rinsing water path B has a pressure chamber B1, with a push rod B2 at one end with the telescopic water outlet pipe A and is moved synchronously therewith, and at the other end engages with the pressure chamber B1 and can slide back and forth.
  • the push rod B2 blocks a water inlet port and a water outlet port of the pressure chamber when the telescopic water outlet pipe A is in the home position.
  • the push rod B2 is moved out from a passage between the water inlet port and the water outlet port.
  • the water pressure in the pressure chamber B1 drives the push rod B2 to push the telescopic water outlet pipe A to the water outlet position when the water enters the flushing water path B, the water flow being transported through a hose B3 to the water outlet port A1 of the telescopic water outlet pipe, to carry out washing of the buttocks or vulva.
  • the telescopic water outlet pipe A drives the push rod B2 so that they move back together toward the home position.
  • the push rod B2 presses the water in the pressure chamber B1 and introduces the water in the pressure chamber B1 into the flushing water path 20 .
  • the cleaning water path supplies a flow of cleaning water to flush the telescopic water outlet tube until the telescopic water outlet tube returns to the home position. Consequently, the water used for the second flushing of the telescopic water outlet tube A is residual water from the pressure chamber B1, with no additional water being supplied. After the water in the pressure chamber B1 is squeezed out, an air gap can be formed to prevent siphoning. Since the push rod B2 only then moved out of the passage between the water inlet port and the water outlet port when the telescopic water outlet pipe A is in the water outlet position, water is supplied to the flushing water path only when the telescopic water outlet pipe is in the water outlet position. This ensures that the pressure in the pressure chamber B1 is not relieved prematurely before the telescopic water outlet tube reaches the use position, which ensures that the telescopic water outlet tube can be pushed into its intended position even with very low water supply pressure.
  • the non-electric shower toilet seat has two flushing water paths B, which supply water to the telescopic water outlet pipe, the water flow passage 12 having two water inlet ends 122, each provided with a one-way valve 30, the cleaning water path 20 comprising two partial flows, wherein a first sub-flow is connected to one of the water inlet ends of the water flow passage and one of the flushing water paths B, and wherein the second sub-flow is connected to the other of the water inlet ends of the water flow passage and the other of the flushing water paths B.
  • two cleaning water paths 20 are provided for two rinsing water paths B respectively, the two rinsing water paths B being provided to separate the water for washing the buttocks and the water for washing the vulva.
  • the telescopic water outlet tube A can also be equipped with different water outlet ports A1 for vulva washing and that Buttocks washing can be provided, therefore, for both the buttocks washing and the vulva washing, a corresponding cleaning water path 20 for self-washing of the telescopic water outlet pipe A is provided.
  • the water inlet end 122 of the water flow passage 12 is arranged on the side of the telescopic water outlet pipe A and the pressure block 40 is arranged on top.
  • This structural configuration facilitates the arrangement of the water inlet ends left and right for the two cleaning water paths 20.
  • FIG. 7 shows a schematic view of a construction variant of the self-cleaning device for a currentless shower-toilet attachment.
  • a three-way branch 50 is provided in the cleaning water path 20, which divides the rinsing water path 20 into three partial flows.
  • a first partial flow is connected to the water inlet end 122 of the water flow passage 12 .
  • the other two partial flows are each connected to a flushing water path B and equipped with a one-way valve 60 .
  • This structure has an advantage that the construction of the body 10 can be simplified. Thus, only one water inlet end needs to be provided on the body 10.

Description

Technisches Gebiettechnical field

Die Erfindung betrifft einen stromlosen Dusch-WC-Aufsatz mit einer Selbstreinigungsvorrichtung und ein Selbstreinigungsverfahren.The invention relates to a non-electric shower/toilet attachment with a self-cleaning device and a self-cleaning method.

Stand der TechnikState of the art

Ein stromloser Dusch-WC-Aufsatz ist mit einem teleskopischen Wasserauslassrohr versehen. Wenn das teleskopische Wasserauslassrohr nicht benutzt wird, ist es in dem Aufsatz verdeckt. Bei Benutzung kann das teleskopische Wasserauslassrohr aus dem Aufsatz herausragen und mit Wasser das Gesäß oder die Vulva spülen, siehe zum Beispiel die FR 2 918 687 A1 . Aus Hygienegründen sind bisher einige stromlose Dusch-WC-Aufsätze mit einer Selbstreinigungsvorrichtung für das teleskopische Wasserauslassrohr versehen, bei denen ein Duscharm und ein Duschkörper mit einem Spalt aufeinander abgestimmt sind. Wenn der Duschkörper mit Wasser beaufschlagt wird, so dass der Wasserdruck den Duscharm in Bewegung versetzt, strömt ein Teil des Wassers aus dem Spalt zwischen dem Duscharm und dem Duschkörper aus, um den Duscharm zu spülen. Sobald der Duscharm seine bestimmungsgemäße Position erreicht, kommt eine Endfläche des Duscharms mit einer Endfläche des Duschkörpers in Kontakt, um zu verhindern, dass das Wasser für die Selbstreinigung aus dem Spalt ausfließt. Ein derartiges System ist aus der EP 1 614 979 A1 bekannt. Diese Ausgestaltung weist mehrere Probleme auf. Erstens beginnt das Heraussprühen des Wassers aus dem Wasserauslassrohr, sobald sich das teleskopische Wasserauslassrohr vorwärts bewegt, so dass beim Ausfahren des teleskopischen Wasserauslassrohrs das Wasser auf andere Teile des menschlichen Körpers gesprüht wird. Da das Wasser für die Selbstreinigung aus dem Spalt zwischen dem Duscharm und dem Duschkörper ausströmt, kann mit dem Reinigungswasserstrom nur die Rohrwand des Duscharms gereinigt werden, ohne dass die Wasserauslassöffnung des Wasserauslassrohrs gereinigt wird. Bei einem unzureichenden Wasserdruck besteht das Problem, dass der Spalt das Wasser nicht blockieren kann, was zu einem gleichzeitigen Wasserauslauf aus dem Spalt und der Wasserauslassöffnung führt und dadurch das Wasserauslassrohr nicht in die bestimmungsgemäße Position gedrückt werden kann. Außerdem stoppt der Wasserauslauf im teleskopischen Wasserrohr und im Reinigungswasserweg gleichzeitig, wenn der Benutzer nach dem Gebrauch den Hauptversorgungswasserweg abschließt und das teleskopische Wasserrohr unter Mitnahme eines Zugmittels langsam wieder in den Aufsatz einfährt. Nach dem Gebrauch wird das teleskopische Wasserrohr also nicht noch einmal selbst gereinigt. Dies ist unhygienisch, da die äußere Oberfläche des teleskopischen Wasserrohrs nach dem Gebrauch tatsächlich leicht mit Abwasser benetzt ist.A non-electric shower toilet seat is equipped with a telescopic water outlet pipe. When the telescopic water outlet pipe is not in use, it is hidden in the attachment. When in use, the telescopic water outlet tube can protrude from the attachment and flush the buttocks or vulva with water, see for example the FR 2 918 687 A1 . For reasons of hygiene, some non-electric shower toilet attachments have so far been provided with a self-cleaning device for the telescopic water outlet pipe, in which a shower arm and a shower body are matched with one another with a gap. When the shower body is hit with water so that the water pressure moves the shower arm, part of the water flows out from the gap between the shower arm and the shower body to flush the shower arm. When the shower arm reaches its designated position, an end face of the shower arm comes into contact with an end face of the shower body to prevent the self-cleaning water from flowing out of the gap. Such a system is from EP 1 614 979 A1 known. This design has several problems. First, the water starts spraying out of the water outlet tube as soon as the telescopic water outlet tube moves forward, so that when the telescopic water outlet tube is extended, the water is sprayed on other parts of the human body. Since the self-cleaning water flows out from the gap between the shower arm and the shower body, the cleaning water flow can only clean the pipe wall of the shower arm without cleaning the water outlet port of the water outlet pipe. With insufficient water pressure, there is a problem that the gap cannot block the water, resulting in water leakage from the gap and the water outlet port at the same time, and as a result, the water outlet pipe cannot be pushed to the proper position. In addition, when the user closes off the main supply waterway after use and the telescopic water pipe slowly retracts back into the attachment, taking a traction means, the water outlet in the telescopic water pipe and the cleaning water path will stop at the same time. After use, the telescopic water pipe is not cleaned again by itself. This is unhygienic because the outer surface of the telescopic water pipe is actually slightly wetted with sewage after use.

Aus der DE 38 10 905 A1 ist eine Selbstreinigungsvorrichtung bekannt, bei der das teleskopische Wasserrohr durch einen gesonderten Kanal mit Reinigungswasser beaufschlagt wird. Diese Konstruktion hat einen großen Platzbedarf.From the DE 38 10 905 A1 a self-cleaning device is known in which the telescopic water pipe is supplied with cleaning water through a separate channel. This construction takes up a lot of space.

Offenbarung der ErfindungDisclosure of Invention

Die vorliegende Erfindung stellt einen stromlosen Dusch-WC-Aufsatz mit einer Selbstreinigungsvorrichtung und ein Selbstreinigungsverfahren zur Verfügung, welche die technischen Probleme des Standes der Technik überwinden.The present invention provides a non-electric shower toilet seat with a self-cleaning device and method that overcomes the technical problems of the prior art.

Die erfindungsgemäße Selbstreinigungsvorrichtung für einen stromlosen Dusch-WC-Aufsatz, welche zum Selbstreinigen eines teleskopischen Wasserauslassrohrs des stromlosen Dusch-WC-Aufsatzes verwendet wird, weist einen Körper und einen Reinigungswasserweg auf, wobei in dem Körper ein Wasserflussdurchgang vorgesehen ist. An einem Boden des Körpers ist ein Wasseraustrittsende des Wasserflussdurchgangs angeordnet. Der Reinigungswasserweg ist mit einem Wassereinlassende des Wasserflussdurchgangs verbunden. Das teleskopische Wasserauslassrohr ist zwischen einer Ausgangsposition und einer Wasserauslassposition hin und her bewegbar und an seinem vorderen Ende mit einer Wasserauslassöffnung versehen. Das Wasserauslassende des Wasserflussdurchgangs ist direkt über dem vorderen Ende des teleskopischen Wasserauslassrohrs angeordnet, wenn sich das teleskopische Wasserauslassrohr in der Ausgangsposition befindet. An dem Wassereinlassende des Wasserflussdurchgangs ist ein Einwegventil vorgesehen, wobei der Wasserstrom des Reinigungswasserwegs das Einwegventil öffnen kann, um das Wasser dem Wasserflussdurchgang zuzuführen. Die Selbstreinigungsvorrichtung umfasst ferner einen Druckblock, der an einem hinteren Ende des teleskopischen Wasserauslassrohrs angeordnet ist, wobei der Druckblock zum Verschließen des Wassereinlassendes des Wasserflussdurchgangs gegen das Einwegventil gedrückt wird, wenn das teleskopische Wasserauslassrohr die Wasserauslassposition erreicht.The self-cleaning device for a non-electric shower toilet seat of the present invention, which is used for self-cleaning a telescopic water outlet pipe of the non-electric shower toilet seat, has a body and a cleaning water path, and a water flow passage is provided in the body. A water exit end of the water flow passage is arranged at a bottom of the body. The cleaning water path is connected to a water inlet end of the water flow passage. The telescopic water outlet pipe is reciprocally movable between a home position and a water outlet position and is provided with a water outlet opening at its front end. The water outlet end of the water flow passage is located just above the front end of the telescopic water outlet tube when the telescopic water outlet tube is in the home position. At the water inlet end of the water flow passage a one-way valve is provided, wherein the water flow of the cleaning water path can open the one-way valve to supply the water to the water flow passage. The self-cleaning device further includes a pressure block disposed at a rear end of the telescopic water outlet tube, the pressure block being pressed against the one-way valve to close the water inlet end of the water flow passage when the telescopic water outlet tube reaches the water outlet position.

Das erfindungsgemäße Selbstreinigungsverfahren für einen stromlosen Dusch-WC-Aufsatz zeichnet sich dadurch aus, dass ein teleskopisches Wasserauslassrohr durch einen Reinigungswasserstrom, der durch einen Reinigungswasserweg geliefert wird, während der Bewegung des teleskopischen Wasserauslassrohrs von einer Ausgangsposition in eine Wasserauslassposition gespült wird, wobei in der Wasserauslassposition des teleskopischen Wasserauslassrohrs das Wasser durch den Spülwasserweg an das teleskopische Wasserauslassrohr geliefert wird, wobei beim Wasserauslauf des Reinigungswasserstroms ein Einwegventil geöffnet wird, und wobei zum Sperren des Reinigungswasserstroms ein Druckblock gegen das Einwegventil gedrückt wird, wenn das teleskopische Wasserauslassrohr die Wasserauslassposition erreicht.The self-cleaning method for a non-electric shower toilet seat according to the present invention is characterized in that a telescopic water outlet pipe is flushed by a cleaning water flow supplied through a cleaning water path during the movement of the telescopic water outlet pipe from an initial position to a water outlet position, being in the water outlet position of the telescopic water outlet pipe, the water is supplied to the telescopic water outlet pipe through the flushing water path, and when the water outlet of the cleaning water flow, a one-way valve is opened, and a pressure block is pressed against the one-way valve to block the flow of cleaning water, when the telescopic water outlet pipe reaches the water outlet position.

Im Vergleich mit dem Stand der Technik weist die Erfindung mehrere Vorteile auf. Während der Selbstreinigung kann der vom Reinigungswasserweg bereitgestellte Reinigungswasserstrom das Einwegventil öffnen und zum Wasseraustrittsende fließen, um das teleskopische Wasserauslassrohr zu reinigen. Das teleskopische Wasserauslassrohr kann von oben nach unten selbst gereinigt werden, ohne dass der Benutzer besprüht wird. Da der Druckblock bei einer Bewegung des teleskopischen Wasserauslassrohrs in die Wasserauslassposition gegen das Einwegventil gedrückt wird, schließt das Einwegventil den Reinigungswasserweg, sobald das teleskopische Wasserauslassrohr die Wasserauslassposition erreicht, so dass das Wasseraustrittsende des Wasserflussdurchgangs kein Wasser mehr abgibt.Compared to the prior art, the invention has several advantages. During self-cleaning, the cleaning water flow provided by the cleaning water path can open the one-way valve and flow to the water outlet end to clean the telescopic water outlet pipe. The telescopic water outlet pipe can be used from top to bottom self-cleaning without spraying the user. Since the pressure block is pressed against the one-way valve when the telescopic water outlet tube moves to the water outlet position, the one-way valve closes the cleaning water path when the telescopic water outlet tube reaches the water outlet position, so that the water outlet end of the water flow passage no longer discharges water.

Kurzbeschreibung der FigurenBrief description of the figures

Im Folgenden wird die Erfindung anhand von Ausführungsbeispielen im Zusammenhang mit der anhängenden Zeichnung näher erläutert.

  • Figur 1 zeigt eine schematische perspektivische Ansicht der Selbstreinigungsvorrichtung für einen stromlosen Dusch-WC-Aufsatz, wobei sich das teleskopische Wasserauslassrohr in einer Ausgangsposition befindet.
  • Figur 2 zeigt eine schematische perspektivische Ansicht der Selbstreinigungsvorrichtung für einen stromlosen Dusch-WC-Aufsatz, wobei sich das teleskopische Wasserauslassrohr in einer Wasserauslassposition befindet.
  • Figur 3 zeigt eine schematische Ansicht, in der sich an einer Seite in dem Reinigungswasserweg der Selbstreinigungsvorrichtung für einen stromlosen Dusch-WC-Aufsatz ein Einwegventil in einem geöffneten Zustand befindet.
  • Figur 4 zeigt eine schematische Ansicht, in der sich das Einwegventil in dem Reinigungswasserweg der Selbstreinigungsvorrichtung für einen stromlosen Dusch-WC-Aufsatz in einem geschlossenen Zustand befindet.
  • Figur 5 zeigt in einer schematischen Ansicht einen geschlossenen Zustand des das Wasser dem teleskopischen Wasserauslassrohr zuführenden Spülwasserwegs.
  • Figur 6 zeigt eine schematische Ansicht eines geöffneten Zustands des das Wasser dem teleskopischen Wasserauslassrohr zuführenden Spülwasserwegs.
  • Figur 7 zeigt eine schematische Ansicht einer strukturellen Variante der Selbstreinigungsvorrichtung für einen stromlosen Dusch-WC-Aufsatz.
The invention is explained in more detail below using exemplary embodiments in connection with the attached drawing.
  • figure 1 Figure 12 shows a schematic perspective view of the self-cleaning device for a non-electric shower toilet seat, with the telescopic water outlet pipe in a home position.
  • figure 2 Figure 12 shows a schematic perspective view of the self-cleaning device for a non-electric shower toilet seat, with the telescopic water outlet pipe in a water outlet position.
  • figure 3 12 is a schematic view in which a one-way valve is in an open state on one side in the cleaning water path of the self-cleaning device for a non-electric shower toilet seat.
  • figure 4 FIG. 12 is a schematic view showing the one-way valve in the cleaning water path of FIG Self-cleaning device for a currentless shower-toilet attachment is in a closed state.
  • figure 5 Fig. 12 is a schematic view showing a closed state of the flushing water path feeding water to the telescopic water outlet pipe.
  • figure 6 Fig. 12 is a schematic view showing an opened state of the flushing water path supplying the water to the telescopic water outlet pipe.
  • figure 7 shows a schematic view of a structural variant of the self-cleaning device for a currentless shower-toilet attachment.

Ausführungsbeispieleexemplary embodiments

Gemäß den Figuren 1 bis 6 weist eine Selbstreinigungsvorrichtung für einen stromlosen Dusch-WC-Aufsatz, welche zum Selbstreinigen von einem teleskopischen Wasserauslassrohr A des stromlosen Dusch-WC-Aufsatzes verwendet wird, einen Körper 10 und einen Reinigungswasserweg 20 auf, wobei in dem Körper 10 ein Wasserflussdurchgang 12 vorgesehen ist, wobei an einem Boden des Körpers ein Wasseraustrittsende 121 des Wasserflussdurchgangs 12 angeordnet ist, und wobei der Reinigungswasserweg 20 mit einem Wassereinlassende 122 des Wasserflussdurchgangs verbunden ist. Das teleskopische Wasserauslassrohr A ist zwischen einer Ausgangsposition und einer Wasserauslassposition hin und her bewegbar und an seinem vorderen Ende mit einer Wasserauslassöffnung A1 versehen, wobei das teleskopische Wasserauslassrohr A von dem Spülwasserweg B mit Wasser versorgt wird. Wenn sich das teleskopische Wasserauslassrohr A in der Ausgangsposition befindet, ist das Wasserauslassende 121 des Wasserflussdurchgangs 12 direkt über dem vorderen Ende des teleskopischen Wasserauslassrohrs A angeordnet. An dem Wassereinlassende 122 des Wasserflussdurchgangs 12 ist ein Einwegventil 30 angeordnet, wobei der Wasserstrom des Reinigungswasserwegs 20 das Einwegventil 30 öffnen kann, um das Wasser dem Wasserflussdurchgang 12 zuzuführen. Die Selbstreinigungsvorrichtung umfasst ferner einen Druckblock 40, der an einem hinteren Ende des teleskopischen Wasserauslassrohrs A angeordnet ist und zum Verschließen des Wassereinlassendes 122 des Wasserflussdurchgangs 12 gegen das Einwegventil 30 gedrückt wird, wenn das teleskopische Wasserauslassrohr A die Wasserauslassposition erreicht.According to the Figures 1 to 6 a self-cleaning device for a non-electric shower toilet seat, which is used for self-cleaning a telescopic water outlet pipe A of the non-electric shower toilet seat, has a body 10 and a cleaning water path 20, wherein a water flow passage 12 is provided in the body 10, a water outlet end 121 of the water flow passage 12 is arranged at a bottom of the body, and the cleaning water path 20 is connected to a water inlet end 122 of the water flow passage. The telescopic water outlet pipe A is reciprocally movable between a home position and a water outlet position and is provided at its front end with a water outlet port A1, the telescopic water outlet pipe A being supplied from the flushing water path B with water is supplied. When the telescopic water outlet pipe A is in the home position, the water outlet end 121 of the water flow passage 12 is located just above the front end of the telescopic water outlet pipe A. A one-way valve 30 is arranged at the water inlet end 122 of the water flow passage 12 , and the water flow of the cleaning water path 20 can open the one-way valve 30 to supply the water to the water flow passage 12 . The self-cleaning device further includes a pressure block 40 which is arranged at a rear end of the telescopic water outlet pipe A and is pressed against the one-way valve 30 to close the water inlet end 122 of the water flow passage 12 when the telescopic water outlet pipe A reaches the water outlet position.

Bei der Benutzung wird das teleskopische Wasserauslassrohr A von der Ausgangsposition in die Wasserauslassposition ausgefahren und durch einen Reinigungswasserstrom, der durch einen Reinigungswasserweg 20 geliefert wird, während der Bewegung des teleskopischen Wasserauslassrohrs von der Ausgangsposition in die Wasserauslassposition gespült. Das heißt, der Reinigungswasserstrom fließt entlang des Reinigungswasserwegs 20 zu dem Wasserflussdurchgang 12, um das Einwegventil 30 zu öffnen, und fließt schließlich aus dem Wasseraustrittsende 121 heraus, um das teleskopische Wasserauslassrohr A zu spülen. Folglich wird das teleskopische Wasserauslassrohr A beim Ausfahren stets von dem Spülwasserweg gereinigt. Wenn sich das teleskopische Wasserauslassrohr A in der Wasserauslassposition befindet, liefert der Spülwasserweg B das Wasser an das teleskopische Wasserauslassrohr A, wobei eine Wasserauslassöffnung A1 des teleskopischen Wasserauslassrohrs A das Wasser abgibt, um die Funktion des Gesäßwaschens oder des Vulvawaschens zu realisieren. Nachdem das teleskopische Wasserauslassrohr A in die Wasserauslassposition verschoben worden ist, wird der Druckblock 40 genau gegen das Einwegventil 30 gedrückt, wodurch der Reinigungswasserstrom 20 gesperrt wird. Dadurch gibt das Wasseraustrittsende 121 kein Wasser mehr ab, das heißt, dass dann, wenn das teleskopische Wasserauslassrohr A die Wasserauslassposition erreicht, der Reinigungswasserstrom 20 unterbrochen wird.In use, the telescopic water outlet tube A is extended from the home position to the water outlet position and is flushed by a flow of cleaning water supplied through a cleaning water path 20 during movement of the telescopic water outlet tube from the home position to the water outlet position. That is, the cleaning water flow flows along the cleaning water path 20 to the water flow passage 12 to open the one-way valve 30 and finally flows out from the water discharge end 121 to flush the telescopic water discharge pipe A. Consequently, the telescopic water outlet pipe A is always cleaned by the flushing water path when extending. When the telescopic water outlet pipe A is in the water outlet position, the flushing water path B supplies the water to the telescopic water outlet pipe A, with a water outlet port A1 of the telescopic Water outlet pipe A discharges water to realize the function of buttock washing or vulva washing. After the telescopic water outlet pipe A is slid to the water outlet position, the pressure block 40 is accurately pressed against the one-way valve 30, thereby shutting off the flow of cleaning water 20. As a result, the water discharge end 121 stops discharging water, that is, when the telescopic water discharge pipe A reaches the water discharge position, the cleaning water flow 20 is stopped.

Vorzugsweise ist vorgesehen, dass der Reinigungswasserweg 20 mit dem Spülwasserweg B in Verbindung steht, wobei der Spülwasserweg B während der Rückstellbewegung des teleskopischen Wasserauslassrohrs A von der Wasserauslassposition in die Ausgangsposition komprimiert werden kann, so dass das Wasser in dem Spülwasserweg B durch den Reinigungswasserweg 20 geleitet und dann schließlich durch das Wasseraustrittsende 121 des Wasserflussdurchgangs abgelassen wird. Auf diese Weise hebt der Druckblock 40 während der Rückstellung des teleskopischen Wasserauslassrohrs A, also während der Rückstellbewegung von der Wasserauslassposition in die Ausgangsposition, das Sperren des Einwegventils 30 auf, und das Wasseraustrittsende 121 gibt wieder Wasser aus. Hierdurch wird eine zweite Reinigung des teleskopischen Wasserauslassrohrs A durchgeführt und das zweite technische Problem gelöst, welches im Abschnitt "Stand der Technik" erwähnt ist.It is preferably provided that the cleaning water path 20 is connected to the flushing water path B, wherein the flushing water path B can be compressed during the return movement of the telescopic water outlet pipe A from the water outlet position to the initial position, so that the water in the flushing water path B is guided through the cleaning water path 20 and then finally discharged through the water discharge end 121 of the water flow passage. In this way, during the return of the telescopic water outlet tube A, that is, during the return movement from the water outlet position to the home position, the pressure block 40 unlocks the one-way valve 30 and the water outlet end 121 discharges water again. This performs a second cleaning of the telescopic water outlet pipe A and solves the second technical problem mentioned in the "Prior Art" section.

Vorzugsweise weist der Spülwasserweg B eine Druckkammer B1 auf, wobei eine Schubstange B2 an einem Ende mit dem teleskopischen Wasserauslassrohr A verbunden ist und damit synchron bewegt wird, und an dem anderen Ende in die Druckkammer B1 eingreift und hin und her gleiten kann. Die Schubstange B2 sperrt eine Wassereinlassöffnung und eine Wasserauslassöffnung der Druckkammer, wenn sich das teleskopische Wasserauslassrohr A in der Ausgangsposition befindet. Wenn sich das teleskopische Wasserauslassrohr A in der Wasserauslassposition befindet, wird die Schubstange B2 aus einem Durchgang zwischen der Wassereinlassöffnung und der Wasserauslassöffnung herausbewegt. Der Wasserdruck in der Druckkammer B1 treibt also die Schubstange B2 an, um das teleskopische Wasserauslassrohr A in die Wasserauslassposition zu schieben, wenn das Wasser in den Spülwasserweg B einläuft, wobei der Wasserstrom durch einen Schlauch B3 zu der Wasserauslassöffnung A1 des teleskopischen Wasserauslassrohrs transportiert wird, um das Waschen des Gesäßes oder der Vulva durchzuführen. Nach dem Sperren des Zulaufs des Wassers in den Spülwasserweg B treibt das teleskopische Wasserauslassrohr A die Schubstange B2 an, so dass sie sich gemeinsam in Richtung der Ausgangsposition zurück bewegen. Dabei presst die Schubstange B2 das Wasser in der Druckkammer B1 und leitet das Wasser in der Druckkammer B1 in den Spülwasserweg 20 ein. Der Reinigungswasserweg liefert einen Reinigungswasserstrom zum Spülen des teleskopischen Wasserauslassrohrs, bis das teleskopische Wasserauslassrohr zu der Ausgangsposition zurückkehrt. Folglich ist das zum zweiten Spülen des teleskopischen Wasserauslassrohrs A verwendete Wasser Restwasser aus der Druckkammer B1, wobei kein zusätzliches Wasser zugeführt wird. Nachdem das Wasser in der Druckkammer B1 herausgepresst ist, kann ein Luftspalt gebildet werden, um einen Siphoneffekt zu verhindern. Da die Schubstange B2 nur dann aus dem Durchgang zwischen der Wassereinlassöffnung und der Wasserauslassöffnung herausbewegt wird, wenn sich das teleskopische Wasserauslassrohr A in der Wasserauslassposition befindet, wird Wasser nur dann dem Spülwasserweg zugeführt, wenn sich das teleskopische Wasserauslassrohr in der Wasserauslassposition befindet. So wird gewährleistet, dass der Druck in der Druckkammer B1 nicht frühzeitig entspannt, bevor das teleskopische Wasserauslassrohr die Verwendungsposition erreicht, was sicherstellt, dass das teleskopische Wasserauslassrohr auch bei sehr niedrigem Wasserversorgungsdruck in seine bestimmungsgemäße Position geschoben werden kann.Preferably, the rinsing water path B has a pressure chamber B1, with a push rod B2 at one end with the telescopic water outlet pipe A and is moved synchronously therewith, and at the other end engages with the pressure chamber B1 and can slide back and forth. The push rod B2 blocks a water inlet port and a water outlet port of the pressure chamber when the telescopic water outlet pipe A is in the home position. When the telescopic water outlet pipe A is in the water outlet position, the push rod B2 is moved out from a passage between the water inlet port and the water outlet port. Thus, the water pressure in the pressure chamber B1 drives the push rod B2 to push the telescopic water outlet pipe A to the water outlet position when the water enters the flushing water path B, the water flow being transported through a hose B3 to the water outlet port A1 of the telescopic water outlet pipe, to carry out washing of the buttocks or vulva. After shutting off the flow of water into the flushing water path B, the telescopic water outlet pipe A drives the push rod B2 so that they move back together toward the home position. At this time, the push rod B2 presses the water in the pressure chamber B1 and introduces the water in the pressure chamber B1 into the flushing water path 20 . The cleaning water path supplies a flow of cleaning water to flush the telescopic water outlet tube until the telescopic water outlet tube returns to the home position. Consequently, the water used for the second flushing of the telescopic water outlet tube A is residual water from the pressure chamber B1, with no additional water being supplied. After the water in the pressure chamber B1 is squeezed out, an air gap can be formed to prevent siphoning. Since the push rod B2 only then moved out of the passage between the water inlet port and the water outlet port when the telescopic water outlet pipe A is in the water outlet position, water is supplied to the flushing water path only when the telescopic water outlet pipe is in the water outlet position. This ensures that the pressure in the pressure chamber B1 is not relieved prematurely before the telescopic water outlet tube reaches the use position, which ensures that the telescopic water outlet tube can be pushed into its intended position even with very low water supply pressure.

Vorzugsweise ist vorgesehen, dass der stromlose Dusch-WC-Aufsatz zwei Spülwasserwege B aufweist, die dem teleskopischen Wasserauslassrohr Wasser zuführen, wobei der Wasserflussdurchgang 12 zwei Wassereinlassenden 122 aufweist, die jeweils mit einem Einwegventil 30 versehen sind, wobei der Reinigungswasserweg 20 zwei Teilströme umfasst, wobei ein erster Teilstrom mit einem der Wassereinlassenden des Wasserflussdurchgangs und einem der Spülwasserwege B verbunden ist, und wobei der zweite Teilstrom mit dem anderen der Wassereinlassenden des Wasserflussdurchgangs und dem anderen der Spülwasserwege B verbunden ist. Das heißt, wie in den Figuren 1 und 2 gezeigt, sind jeweils zwei Reinigungswasserwege 20 für zwei Spülwasserwege B vorgesehen, wobei die zwei Spülwasserwege B dazu vorgesehen sind, um das Wasser für das Waschen des Gesäßes und das Wasser für das Waschen der Vulva zu trennen. Selbstverständlich kann das teleskopische Wasserauslassrohr A auch mit verschiedenen Wasserauslassöffnungen A1 für das Vulvawaschen und das Gesäßwaschen versehen sein, deshalb wird sowohl für das Gesäßwaschen als auch für das Vulvawaschen ein entsprechender Reinigungswasserweg 20 zum Selbstwaschen des teleskopischen Wasserauslassrohrs A zur Verfügung gestellt.It is preferably provided that the non-electric shower toilet seat has two flushing water paths B, which supply water to the telescopic water outlet pipe, the water flow passage 12 having two water inlet ends 122, each provided with a one-way valve 30, the cleaning water path 20 comprising two partial flows, wherein a first sub-flow is connected to one of the water inlet ends of the water flow passage and one of the flushing water paths B, and wherein the second sub-flow is connected to the other of the water inlet ends of the water flow passage and the other of the flushing water paths B. That is, as in the figures 1 and 2 As shown, two cleaning water paths 20 are provided for two rinsing water paths B respectively, the two rinsing water paths B being provided to separate the water for washing the buttocks and the water for washing the vulva. Of course, the telescopic water outlet tube A can also be equipped with different water outlet ports A1 for vulva washing and that Buttocks washing can be provided, therefore, for both the buttocks washing and the vulva washing, a corresponding cleaning water path 20 for self-washing of the telescopic water outlet pipe A is provided.

Vorzugsweise ist vorgesehen, dass das Wassereinlassende 122 des Wasserflussdurchgangs 12 seitlich und der Druckblock 40 auf der Oberseite des teleskopischen Wasserauslassrohrs A angeordnet ist. Diese strukturelle Konfiguration erleichtert die Anordnung der Wassereinlassenden links und rechts für die beiden Reinigungswasserwege 20.Preferably, the water inlet end 122 of the water flow passage 12 is arranged on the side of the telescopic water outlet pipe A and the pressure block 40 is arranged on top. This structural configuration facilitates the arrangement of the water inlet ends left and right for the two cleaning water paths 20.

Es wird auf Fig. 7 Bezug genommen, die eine schematische Ansicht einer Bauvariante der Selbstreinigungsvorrichtung für einen stromlosen Dusch-WC-Aufsatz zeigt. In dem Reinigungswasserweg 20 ist eine Dreiwegeverzweigung 50 vorgesehen, das den Spülwasserweg 20 in drei Teilströme aufteilt. Ein erster Teilstrom ist mit dem Wassereinlassende 122 des Wasserflussdurchgangs 12 verbunden. Die anderen beiden Teilströme sind jeweils mit einem Spülwasserweg B verbunden und mit einem Einwegventil 60 ausgestattet. Diese Struktur hat den Vorteil, dass die Konstruktion des Körpers 10 vereinfacht werden kann. Am Körper 10 braucht also nur ein Wassereinlassende vorgesehen werden.It will be on 7 Reference is made, which shows a schematic view of a construction variant of the self-cleaning device for a currentless shower-toilet attachment. A three-way branch 50 is provided in the cleaning water path 20, which divides the rinsing water path 20 into three partial flows. A first partial flow is connected to the water inlet end 122 of the water flow passage 12 . The other two partial flows are each connected to a flushing water path B and equipped with a one-way valve 60 . This structure has an advantage that the construction of the body 10 can be simplified. Thus, only one water inlet end needs to be provided on the body 10.

Claims (10)

  1. Electroless shower toilet attachment having a self-cleaning device for the self-cleaning of a telescopic water outlet pipe (A) of the electroless shower toilet attachment, wherein the self-cleaning device has a body (10) and a cleaning water path (20); wherein a water flow passage (12) is provided in the body (10); wherein a water exit end (121) of the water flow passage (12) is disposed on a base of the body; wherein the cleaning water path (20) is connected to a water inlet end (122) of the water flow passage (12); wherein the telescopic water outlet pipe (A) is movable in a reciprocating manner between an initial position and a water outlet position, and on the front end of said water outlet pipe (A) is provided with a water outlet opening (A1); wherein the water outlet end (121) of the water flow passage is disposed directly above the front end of the telescopic water outlet pipe (A) when the telescopic outlet pipe (A) is in the initial position; wherein a one-way valve (30) is provided at the water inlet end (122) of the water flow passage; and wherein the self-cleaning device furthermore comprises a pressure block (40) which is disposed on a rear end of the telescopic water outlet pipe (A), characterized in that the water flow of the cleaning water path (20) can open the one-way valve (30) so as to supply the water to the water flow passage (12), and in that the pressure block (40) for closing the water inlet end (122) of the water flow passage (12) is pressed against the one-way valve (30) when the telescopic water outlet pipe (A) reaches the water outlet position.
  2. Electroless shower toilet attachment according to Claim 1, characterized in that the cleaning water path (20) is connected to a flushing water path (B) for supplying water to the telescopic water outlet pipe (A); wherein the flushing water path (B) during the restoring movement of the telescopic water outlet pipe (A) from the water outlet position to the initial position can be compressed such that the water in the flushing water path (B) is directed through the cleaning water path (20) and is then finally discharged through the water exit end (121) of the water flow passage (12).
  3. Electroless shower toilet attachment according to Claim 2, characterized in that the flushing water path (B) has a pressure chamber (B1), wherein a push rod (B2) at one end is connected to the telescopic water outlet pipe (A) and is moved synchronously with the latter, and at the other end engages in the pressure chamber (B1) and can slide back and forth; wherein the push rod (B2) blocks a water inlet opening and a water outlet opening of the pressure chamber (B1) when the telescopic water outlet pipe (A) is in the initial position; wherein the push rod (B2) is moved out of a passage between the water inlet opening and the water outlet opening when the telescopic water outlet pipe (A) is in the water outlet position; wherein the water pressure in the pressure chamber (B1) drives the push rod (B2) so as to slide the telescopic water outlet pipe (A) to the water outlet position when the water runs into the flushing water path (B); wherein the water flow is transported through a hose (B3) to the water outlet opening (A1) of the telescopic water outlet pipe (A); and wherein, after blocking the inflow of the water into the flushing water path (B), the telescopic water outlet pipe (A) drives the push rod (B2) such that said water outlet pipe (A) and said push rod (B2) conjointly move back in the direction of the initial position, and in the process the push rod (B2) compresses the water in the pressure chamber (B1) and directs the water in the pressure chamber (B1) into the flushing water path (B).
  4. Electroless shower toilet attachment according to Claim 1, characterized in that the electroless shower toilet attachment has two flushing water paths (B) which supply water to the telescopic water outlet pipe (A), wherein the cleaning water path (20) for forming three sub-flows is equipped with a three-way branch (50); wherein a first sub-flow is connected to the water inlet end (122) of the water flow passage (12); and wherein the other two sub-flows are in each case connected to one flushing water path (B) and equipped with one one-way valve (60) .
  5. Electroless shower toilet attachment according to Claim 1, characterized in that the electroless shower toilet attachment has two flushing water paths (B) which supply water to the telescopic water outlet pipe (A), wherein the water flow passage (12) has two water inlet ends (122) which are in each case provided with one one-way valve (30); wherein the cleaning water path (20) comprises two sub-flows; wherein a first sub-flow is connected to one of the water inlet ends of the water flow passage (12) and to one of the flushing water paths (B); and wherein the second sub-flow is connected to the other one of the water inlet ends of the water flow passage (12) and to the other one of the flushing water paths (B).
  6. Electroless shower toilet attachment according to Claim 4 or 5, characterized in that the front end of the telescopic water outlet pipe (A) is provided with two water outlet openings (A1) and is connected to the two flushing water paths (B).
  7. Electroless shower toilet attachment according to Claim 1, characterized in that the water inlet end (122) of the water flow passage (12) is disposed laterally on the telescopic water outlet pipe, and the pressure block is disposed on an upper side of the latter.
  8. Self-cleaning method for an electroless shower toilet attachment, wherein a telescopic water outlet pipe (A), during the movement of the telescopic water outlet pipe (A) from an initial position to a water outlet position, is flushed by a cleaning water flow that is delivered through a cleaning water path (20); wherein in the water outlet position of the telescopic water outlet pipe (A) the water is delivered through the flushing water path (B) to the telescopic water outlet pipe (A); and wherein a one-way valve (30) at the water outlet of the cleaning water flow is opened, characterized in that for blocking the cleaning water flow a pressure block (40) is pressed against the one-way valve (30) when the telescopic water outlet pipe (A) reaches the water outlet position.
  9. Self-cleaning method for an electroless shower toilet attachment according to Claim 8, characterized in that the pressure block (40) in a restoring movement of the telescopic water outlet pipe (A) from the water outlet position to the initial position cancels the blockage of the one-way valve (30), and in that the cleaning water path (20) delivers the cleaning water flow for flushing the telescopic water outlet pipe (A) until the telescopic water outlet pipe (A) returns to the initial position.
  10. Self-cleaning method for an electroless shower toilet attachment according to Claim 9, characterized in that the water is supplied only to the flushing water path (B) when the telescopic water outlet pipe (A) is in the water outlet position, in that the cleaning water path (20) and the flushing water path (B) are connected to one another, and in that in the restoring movement of the telescopic water outlet pipe (A) from the water outlet position to the initial position the water from the flushing water path (B) is pressed into the cleaning water path (20).
EP21151663.8A 2020-06-29 2021-01-14 Electroless shower-wc attachment with self-cleaning device and a self-cleaning method for an electroless shower-wc attachment Active EP3933127B1 (en)

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CN202010608107.XA CN111877482B (en) 2020-06-29 2020-06-29 Self-cleaning device and method for electroless washing cover plate

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EP3933127A1 (en) 2022-01-05
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